android屏幕截图

android屏幕截图

   

import java.io.FileNotFoundException;  
    import java.io.FileOutputStream;  
    import java.io.IOException;  
      
    import android.app.Activity;  
    import android.graphics.Bitmap;  
    import android.graphics.Rect;  
    import android.view.View;  
      
    public class ScreenShot {  
        // 获取指定Activity的截屏，保存到png文件  
        private static Bitmap takeScreenShot(Activity activity){  
            //View是你需要截图的View  
            View view = activity.getWindow().getDecorView();  
            view.setDrawingCacheEnabled(true);  
            view.buildDrawingCache();  
            Bitmap b1 = view.getDrawingCache();  
              
            //获取状态栏高度  
            Rect frame = new Rect();    
            activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);    
            int statusBarHeight = frame.top;    
            System.out.println(statusBarHeight);  
              
            //获取屏幕长和高  
            int width = activity.getWindowManager().getDefaultDisplay().getWidth();    
            int height = activity.getWindowManager().getDefaultDisplay().getHeight();    
            //去掉标题栏  
            //Bitmap b = Bitmap.createBitmap(b1, 0, 25, 320, 455);  
            Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight, width, height - statusBarHeight);  
            view.destroyDrawingCache();  
            return b;  
        }  
          
        //保存到sdcard  
        private static void savePic(Bitmap b,String strFileName){  
            FileOutputStream fos = null;  
            try {  
                fos = new FileOutputStream(strFileName);  
                if (null != fos)  
                {  
                    b.compress(Bitmap.CompressFormat.PNG, 90, fos);  
                    fos.flush();  
                    fos.close();  
                }  
            } catch (FileNotFoundException e) {  
                e.printStackTrace();  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
          
        //程序入口  
        public static void shoot(Activity a){  
            ScreenShot.savePic(ScreenShot.takeScreenShot(a), "sdcard/xx.png");  
        }  
    }  

评论

4 楼 bing_zz 2012-06-13  

VideoView播放rtsp流视频时截不到图

3 楼 Will.Du 2012-05-04  

我也测了，木有问题~~写的思路也很清楚

2 楼 aichixihongshi 2011-08-31  

是的，我是测试完了才转载的，代码是没有问题的。你的代码跑起来有问题，应该是你调用时机不对，请确认view已加载完毕，DrawingCache已开启，并能获取DrawingCache

1 楼 acetech_sean 2011-08-24  

楼主你确认这段代码没有问题？我测试了下，不行吧？一篇文章转来转去转烂了，但是都不去验证他的正确性！